XML 46 R39.htm IDEA: XBRL DOCUMENT v3.25.3
Securities - Investment Securities by Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]    
Held to Maturity, amortized cost, due in one year or less $ 16,568  
Held to Maturity, amortized cost, due after one year through five years 41,525  
Held to Maturity, amortized cost, due after five years through ten years 30,271  
Held to Maturity, amortized cost, subtotal 88,364  
Held to Maturity, amortized cost, mortgage-backed securities and collateralized mortgage obligations 9,811,729  
Held to Maturity, Amortized Cost 9,900,093 $ 10,757,464
Held to Maturity, fair value, due in one year or less 16,593  
Held to Maturity, fair value, due after one year through five years 41,589  
Held to Maturity, fair value, due after five years through ten years 26,985  
Held to Maturity, fair value, subtotal 85,167  
Held to Maturity, fair value, mortgage-backed securities and collateralized mortgage obligations 8,896,505  
Held to Maturity, fair value, total 8,981,672 9,382,479
Available for Sale, amortized cost, due after five years through ten years 7,935  
Available for Sale, amortized cost, subtotal 7,935  
Available for Sale, amortized cost, mortgage-backed securities and collateralized mortgage obligations 326,421  
Available for Sale, Amortized Cost 334,356 339,016
Available for Sale, fair value, due after five years through ten years 9,660  
Available for Sale, fair value, subtotal 9,660  
Available for Sale, fair value, mortgage-backed securities and collateralized mortgage obligations 322,709  
Available for Sale securities, at fair value $ 332,369 $ 336,960